Light diffuser



FIG. 1 is a perspective view of the light diffuser showing my new design, a lamp being shown in broken lines for illustrative purposes only;

FIG. 2 is a rear view thereof on an enlarged scale;

FIG. 3 is a side view thereof on an enlarged scale;

FIG. 4 is a front view thereof on an enlarged scale; and

FIG. 5 is a perspective view of a second embodiment of my design, the front of the second embodiment being identical to that of the first. 

The ornamental design for a light diffuser, as shown and described. 